package com.lihua.newideas.handler;

import com.lihua.newideas.pojo.MyUser;
import com.lihua.newideas.service.MyUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.User;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/*
* 主页拦截器
* */
@Component
public class IndexInterceptorHandler implements HandlerInterceptor {
    @Autowired
    private MyUserService userService;
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

//        System.out.println(">>>MyInterceptor2>>>>>>>在请求处理之前进行调用（Controller方法调用之前）");

        User user = (User) request.getSession().getAttribute("user");
        if(user!=null){
            String userName = user.getUsername();
            MyUser myUser = userService.queryUserByName(userName);
            if (myUser!=null){
                myUser.setPassWord("");
//                System.out.println(myUser.toString());
                request.getSession().setAttribute("MyUser",myUser);
            }
        }

        return true; // 只有返回true才会继续向下执行，返回false取消当前请求
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                           ModelAndView modelAndView) throws Exception {
//        System.out.println(">>>MyInterceptor2>>>>>>>请求处理之后进行调用，但是在视图被渲染之前（Controller方法调用之后）");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
            throws Exception {
//        System.out.println(">>>MyInterceptor2>>>>>>>在整个请求结束之后被调用，也就是在DispatcherServlet 渲染了对应的视图之后执行（主要是用于进行资源清理工作）");
    }
}
